Visual Studio not responsive

  1. Visual Studio does not answer me-
    And it shows the errors that I put in the picture – previously I deleted the patient table –
    I created a new table and named the table Patient Table 1
    And I deleted view_Visit – I created view_Visit1 – I updated the model program and it shows this error

Server Error in ‘/’ Application.
Keyword not supported: ‘multiple active result sets’.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Keyword not supported: ‘multiple active result sets’.

Source Error:`your texVisual Studio does not answer me-
And it shows the errors that I put in the picture – previously I deleted the patient table –
I created a new table and named the table Patient Table 1
And I deleted view_Visit – I created view_Visit1 – I updated the model program and it shows this error –
I also changed the parameters in the controller section – please guide me.

Keyword not supported: ‘multiple active result sets’.

enter image description here

Server Error in ‘/’ Application.
Keyword not supported: ‘multiple active result sets’.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: